Home / 18,864,280.60-28,296,420.90-6,739,552.60

Finding the Fourth Proportional to 18,864,280.60, 28,296,420.90 and 6,739,552.60

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Solution

The fourth proportional to 18,864,280.60, 28,296,420.90 and 6,739,552.60 is: 10,109,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,280.60 : 28,296,420.90 = 6,739,552.60 : x
  2. Step 2: Convert to fraction form
    18,864,280.60/28,296,420.90 = 6,739,552.60/x
  3. Step 3: Cross multiply
    18,864,280.60x = 28,296,420.90 × 6,739,552.60
  4. Step 4: Simplify right side
    18,864,280.60x = 190,705,217,047,289.31
  5. Step 5: Solve for x
    x = 190,705,217,047,289.31/18,864,280.60
  6. Step 6: Final answer
    x = 10,109,328.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.